Five mark exercise problems III — task. Mathematics State Board, Class 10.

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Find \(A \times B\), \(A \times A\) and \(B \times A\).

\(A = \{m, n\}\) and \(B = \phi\)

Answer:

\(A \times B =\)

\(A \times A =\)

\(B \times A =\)

Answer variants:

\{\}

\{(m, m), (m, n), (n, m), (n, n)\}

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14. Five mark exercise problems III